WO2010052059A1 - Transmission - Google Patents

Transmission Download PDF

Info

Publication number
WO2010052059A1
WO2010052059A1 PCT/EP2009/062089 EP2009062089W WO2010052059A1 WO 2010052059 A1 WO2010052059 A1 WO 2010052059A1 EP 2009062089 W EP2009062089 W EP 2009062089W WO 2010052059 A1 WO2010052059 A1 WO 2010052059A1
Authority
WO
WIPO (PCT)
Prior art keywords
gear
contact surface
transmission
bearing pin
electrical contact
Prior art date
Application number
PCT/EP2009/062089
Other languages
German (de)
English (en)
Inventor
Michael Reith
Gerard Albrecht
Original Assignee
Robert Bosch Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Priority to CN2009801444280A priority Critical patent/CN102209653A/zh
Priority to EP09783148A priority patent/EP2346724B1/fr
Priority to BRPI0919750A priority patent/BRPI0919750A2/pt
Priority to ES09783148T priority patent/ES2395498T3/es
Publication of WO2010052059A1 publication Critical patent/WO2010052059A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
    • B60S1/08—Wipers or the like, e.g. scrapers characterised by the drive electrically driven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
    • B60S1/16—Means for transmitting drive
    • B60S1/166—Means for transmitting drive characterised by the combination of a motor-reduction unit and a mechanism for converting rotary into oscillatory movement

Definitions

  • the invention relates to a transmission, in particular a transmission for a windshield wiper drive, and a windshield wiper drive with a motor and a transmission.
  • the object of the invention is to provide an improved transmission. This object is achieved by a transmission according to claim 1. It is a further object of the invention to provide an improved windshield wiper drive. This object is achieved by a windshield wiper drive according to claim 7. Preferred developments are specified in the dependent claims.
  • An inventive transmission comprises a gear cover and a gear, wherein a pointing in the direction of the gear cover side of the gear has an eccentrically arranged bearing pin, and pointing in the direction of the gear side of the gear cover, a first electrical contact surface and a second electrical contact surface.
  • the first and the second electrical contact surface are arranged such that the bearing pin electrically short-circuits the first and the second electrical contact surface in a predetermined position of the toothed wheel.
  • this transmission requires no contact path and no contact springs. By reducing the number of parts results in a cost savings. The lower number of components required also reduces the assembly effort and shortens the tolerance chain, allowing a more accurate detection of a position of the gear.
  • the first and the second electrical contact surface and the bearing pin form a sliding contact.
  • an end face of the bearing pin electrically short the first and the second electrical contact surface in a predetermined position of the gear.
  • the first and second contact surface are connected to an evaluation electronics, which is designed to detect an electrical short circuit between the first and the second contact surface.
  • the bearing pin shorts the first and second electrical contact surfaces when the gear is in a parked position.
  • the transmission is designed to drive a windshield wiper.
  • An inventive windshield wiper drive comprises a motor and a transmission according to the invention.
  • Figure 1 shows a schematic representation of a transmission.
  • Figure 2 shows a schematic representation of a transfer gear.
  • FIG. 1 schematically shows a gear 100 in a perspective view.
  • the gear 100 can serve, for example, as a transmission in a windshield wiper drive, for example in a drive of a rear window wiper.
  • the transmission 100 has a gear cover 200.
  • the gear cover 200 may be made of metal, plastic or other suitable material.
  • the transmission 100 further comprises a transfer gear 300.
  • the transfer gear 300 has a gear 310 which can be driven by a motor, not shown.
  • the gear 310 may be a spur gear, a bevel gear, a
  • the gear 310 may be rotated by a motor, not shown, about a gear axis 315 of the gear 310.
  • the gear 310 can be connected to other gears, not shown, in connection.
  • the transfer gear 300 also includes a bearing pin
  • the transfer gear 300 may also include other gears.
  • FIG. 2 shows a schematic representation of the transfer gear 300 as viewed from the location of the gear cover 200.
  • the bearing pin 400 is mounted perpendicular to a gear cover 200 side facing the gear 310 eccentrically with respect to the gear axis 315.
  • the bearing pin 400 thus has the gear 310 in the direction of the gear cover 200.
  • the bearing pin 400 is pivotally connected to the push rod 320.
  • the push rod 320 is pivotally connected to the guide web 330 at an attachment point 325.
  • the push rod 320 comprises a toothed segment, which is in engagement with the pinion 340.
  • the pinion 340 is rotationally connected to the wiper shaft 500.
  • the pinion 340 is in a Pendulum rotation offset about the axis of the wiper shaft 500. Due to the rotationally fixed connection between the pinion 340 and the wiper shaft 500, the oscillating movement of the pinion 340 is transmitted to the wiper shaft 500, so that it also oscillates about the axis of the wiper shaft 500.
  • a swinging rotary motion of the wiper shaft 500 can be achieved by, for example, 180 °.
  • the wiper shaft 500 is connected to a wiper arm, not shown in FIGS. 1 and 2, which is driven by the oscillating movement of the wiper shaft 500 and serves to clean a disk, for example of a motor vehicle.
  • the wiper arm connected to the wiper shaft 500 may have a parking position. As long as the wiper arm's wiping service is not required, the wiper arm is held in the parking position.
  • the parking position corresponds to a fixed angle of rotation of the wiper shaft 500, which in turn corresponds to a predetermined angular position of the gear 310.
  • the gear cover 200 has a first electrical contact surface 650 and a second electrical contact surface 750.
  • the first electrical contact surface 650 and the second electrical contact surface 750 are arranged on a surface of the gear cover 200 facing the toothed wheel 310.
  • the first electrical contact surface 650 is connected to a first conductor track 600.
  • the first interconnect 600 and the second interconnect 700 may be embodied as interconnects on a printed circuit board. However, the first interconnect 600 and the second interconnect 700 may also be designed as cables or another type of interconnects.
  • the first interconnect 600 and the second interconnect 700 are connected to an evaluation electronics 800, which may also be arranged on the transmission cover 200, for example. If the first interconnect 600 and the second interconnect 700 are designed as interconnects of a printed circuit board, then the evaluation electronics 800 may be provided on the same circuit board.
  • the bearing pin 400 of the transfer gear 300 has a gear cover 200 facing the end face 410.
  • the distance between the end face 410 of the bearing pin 400 and the gear cover 200 is selected so that the bearing pin 400 the Gear cover 200 during a circular movement only at the exact location of the first contact surface 650 and the second contact surface 750 touches.
  • the end face 410 of the bearing pin 400 is made of a conductive material.
  • the diameter of the bearing pin 400 and its end face 410 is selected so that the end face 410 of the bearing pin 400 can touch the first contact surface 650 and the second contact surface 750 at the same time.
  • the first contact surface 650 and the second contact surface 750 are arranged on the gear cover 200 in such a way that they are short-circuited by the end face 410 of the bearing pin 400 when the gear 310 is in the angular position in which it is connected to the wiper shaft 500
  • Wiper arm is in parking position. If the windshield wiper system is to be switched off, the electronic evaluation unit 800 ensures that the motor driving the gear 310 continues to run until the first contact surface 650 and the second contact surface 750 are short-circuited by the end face 410 of the bearing bolt 400. At this moment, the evaluation electronics 800 switches off the motor driving the gear 310. The wiper arm connected to the wiper shaft 500 is then in the parking position.
  • first contact surface 650 and the second contact surface 750 may also be configured as microswitches actuated by the bearing pin 400.
  • the angular position of the toothed wheel 310 associated with the parking position of the wiper arm connected to the wiper shaft 500 can be determined by the position of the first contact surface 650 and the second contact surface 750 on the gear cover 200 are adapted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear Transmission (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

La présente invention concerne une transmission (100) avec un couvercle (200) de transmission et une roue dentée (310). Un côté de la roue dentée tourné dans la direction du couvercle de transmission présente un boulon de palier (400) disposé de manière excentrique, et un côté du couvercle de transmission tourné dans la direction de la roue dentée présente une première surface de contact électrique (650) et une deuxième surface de contact électrique (750). La première et la deuxième surface de contact électrique sont disposées de telle sorte que le boulon de palier court-circuite électriquement la première et la deuxième surface de contact électrique dans une position prédéfinie de la roue dentée.
PCT/EP2009/062089 2008-11-10 2009-09-18 Transmission WO2010052059A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN2009801444280A CN102209653A (zh) 2008-11-10 2009-09-18 传动装置
EP09783148A EP2346724B1 (fr) 2008-11-10 2009-09-18 Boîte de vitesses
BRPI0919750A BRPI0919750A2 (pt) 2008-11-10 2009-09-18 transmissão
ES09783148T ES2395498T3 (es) 2008-11-10 2009-09-18 Transmisión

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008043608.9 2008-11-10
DE200810043608 DE102008043608A1 (de) 2008-11-10 2008-11-10 Getriebe

Publications (1)

Publication Number Publication Date
WO2010052059A1 true WO2010052059A1 (fr) 2010-05-14

Family

ID=41337543

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/062089 WO2010052059A1 (fr) 2008-11-10 2009-09-18 Transmission

Country Status (6)

Country Link
EP (1) EP2346724B1 (fr)
CN (1) CN102209653A (fr)
BR (1) BRPI0919750A2 (fr)
DE (1) DE102008043608A1 (fr)
ES (1) ES2395498T3 (fr)
WO (1) WO2010052059A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3842218A1 (fr) 2019-12-23 2021-06-30 Robert Bosch GmbH Composants de boîtier d'une unité structurale

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2997051B1 (fr) * 2012-10-24 2016-09-02 Valeo Systemes Dessuyage Dispositif d'embiellage pour moteur d'essuie-glaces de vehicules automobiles
FR3023766B1 (fr) * 2014-07-15 2017-12-22 Valeo Systemes Dessuyage Systeme d'embiellage a engrenage pour un motoreducteur d'essuie-glace

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3732069A1 (de) * 1986-09-24 1988-04-07 Nissan Motor Scheibenwischer mit verstellbarem schwenkwinkelbereich des wischerarms
WO2001072563A1 (fr) * 2000-03-24 2001-10-04 Robert Bosch Gmbh Moteur electrique, notamment moteur d'essuie-glace permettant d'essuyer une vitre d'automobile
EP1736385A2 (fr) * 2005-06-22 2006-12-27 Robert Bosch Gmbh Dispositif d'entraînement d'un essuie-glace pour véhicule
DE102005062778A1 (de) * 2005-12-28 2007-07-05 Robert Bosch Gmbh Scheibenwischvorrichtung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3732069A1 (de) * 1986-09-24 1988-04-07 Nissan Motor Scheibenwischer mit verstellbarem schwenkwinkelbereich des wischerarms
WO2001072563A1 (fr) * 2000-03-24 2001-10-04 Robert Bosch Gmbh Moteur electrique, notamment moteur d'essuie-glace permettant d'essuyer une vitre d'automobile
EP1736385A2 (fr) * 2005-06-22 2006-12-27 Robert Bosch Gmbh Dispositif d'entraînement d'un essuie-glace pour véhicule
DE102005062778A1 (de) * 2005-12-28 2007-07-05 Robert Bosch Gmbh Scheibenwischvorrichtung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3842218A1 (fr) 2019-12-23 2021-06-30 Robert Bosch GmbH Composants de boîtier d'une unité structurale

Also Published As

Publication number Publication date
BRPI0919750A2 (pt) 2015-12-08
CN102209653A (zh) 2011-10-05
ES2395498T3 (es) 2013-02-13
EP2346724B1 (fr) 2012-11-28
EP2346724A1 (fr) 2011-07-27
DE102008043608A1 (de) 2010-05-12

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